17th-century coach spring in Lisbon Carriage Museum The earliest recognised leaf springs started appearing on carriages in France from the mid-17th century in the form of the two-part elbow spring (as being the illustrated case in point from Lisbon), and later on migrated to England and Germany,[six] showing on the https://auto-parts53185.blogprodesign.com/56705031/rumored-buzz-on-axle-assembly